.net - Adding Images To .Net Chart Control
Apr 2, 2010
I'm not sure if I titled the question correctly so it would be better if I explained what I'm trying to do. I am using the ASP .Net Chart Control to create a line chart showing numbers of trouble calls based on date. What I would like to do is implement a way of annotating the chart with data whereas if there was a spike in trouble calls a line, or asterisk, etc would direct the viewer to "read notes below for an explanation for why the numbers spiked here".
From the samples for the chart control there is a way you can add a bitmap to the chart, however I don't see how that will be effective here because the explanations will come dynamically from a database.
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Jan 14, 2011
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The code I am using to generate the image is as follows -
[Code]....
[Code]....
[Code]....
[Code]....
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my code...
[Code]....
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Apr 28, 2010
Am I going mad/blind? Probably a combination of the two.
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Here's how I set the tooltip:
[Code]....
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Currently my only workaround is to check for a partial postback and not render the tooltip, which I'd rather not do as the tooltip display actual statistical data as opposed to the pie itself (which uses percentages).
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[code]....
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